1 janv. 1500 - City of Machu Picchu
Description:
1450-1540 CEGranite
Central highlands, Peru. Inka
They increased the arable land surface and reduced erosion by creating walled steps down the sides of steep mountains. Each step could then be planted with crops.
Ajouté au bande de temps:
Date:
1 janv. 1500
Maintenaint
~ Il y a 526 ans